#181D39
Dark Blue
HEX
RGB
HSL
About #181D39 Dark Blue
#181D39 is a dark blue color. In the RGB color model, it is composed of 24 red, 29 green, and 57 blue. In the HSL color space, it has a hue of 231°, saturation of 41%, and lightness of 16%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #181D39 in your CSS, SCSS, or Tailwind projects.
Color Properties
231°
Hue
41%
Saturation
16%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #181D39 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #181D39 against white and black backgrounds.
Aa#181D39 on White
Contrast Ratio16.49:1
AA ✓AA Large ✓AAA ✓
Aa#181D39 on Black
Contrast Ratio1.27:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #181D39 across different color formats.
| Format | Value |
|---|---|
| HEX | #181D39 |
| RGB | rgb(24, 29, 57) |
| HSL | hsl(231, 41%, 16%) |
| RGB Decimal | 24, 29, 57 |
| RGB Percent | 9.4%, 11.4%, 22.4% |
| CMYK (approx.) | 58%, 49%, 0%, 78% |
Related Palettes
12 palettes using #181D39 or similar colors